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Stasy
post Jun 29 2009, 01:09 PM
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Guys, my Jeep has been given me some problems, and I'm curious if anybody has any idea what this could be. I'm getting a low voltage reading (sometimes) and a CEL that pulls a code 41 ( Generator Field Not Switching Properly ) when the voltage reads low. Now, I'd normally suspect an alternator with a low voltage, but from my readings, this code could mean a few things. I've replaced the battery (the old one was 5 yrs old and would drain super quick) but with no success.

Any body know any way to test further into this? Sometimes the whole car acts like nothing is wrong, and sometimes she just dosen't charge.
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Pearl01stratcpe
post Jun 29 2009, 01:20 PM
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Take it to Advance Auto. They can test alternators and should be able to tell you if its bad or not. My vote is alternator, or voltage regulator.
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jaqattack02
post Jul 2 2009, 04:01 AM
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QUOTE (Pearl01stratcpe @ Jun 29 2009, 04:20 PM) *
Take it to Advance Auto. They can test alternators and should be able to tell you if its bad or not. My vote is alternator, or voltage regulator.


Pretty much what I was gonna say.

Another thing to check, although it's unlikely, is the grounds. I know on the regular Cherokees they had a pretty crappy grounding system. I don't know if the Grand Cherokees have the same issue or not.

This post has been edited by jaqattack02: Jul 2 2009, 04:03 AM
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